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USGS 01474000 Wissahickon Creek at Mouth, Philadelphia, PA

  Stream Site

DESCRIPTION:
Latitude 40°00'55",   Longitude 75°12'26"   NAD27
Philadelphia County, Pennsylvania, Hydrologic Unit 020402030902
Drainage area: 64.0 square miles
Datum of gage: 25.27 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2010-10-01  2025-08-28  
 Daily Data
    Temperature, water, degrees Celsius  2023-09-30  2025-08-27  1506 
    Discharge, cubic feet per second  1965-10-01  2025-08-27  21881 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2023-09-30  2025-08-27  1503 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-09-30  2025-08-27  1500 
    pH, water, unfiltered, field, standard units  2023-09-30  2025-08-27  1503 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2023-09-30  2025-08-27  1500 
 Daily Statistics 
    Temperature, water, degrees Celsius  2023-09-30  2024-08-22 230 
    Discharge, cubic feet per second  1965-10-01  2025-03-31 21732 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-09-30  2024-08-22 230 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2023-09  2024-08  
    Discharge, cubic feet per second  1965-10  2025-03  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-09  2024-08  
 Annual Statistics 
    Temperature, water, degrees Celsius  2023  2024  
    Discharge, cubic feet per second  1966  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023  2024  
 Peak streamflow 1966-02-13  2023-05-01  58 
 Field measurements 1965-10-12  2025-06-02  461 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1959-10-23  2024-03-06  329 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Pennsylvania Water Science Center
Email questions about this site to Pennsylvania Water Science Center Water-Data Inquiries